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Data Mining: Applying data mining


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Data Mining: Applying data mining

Data Mining: Applying data mining

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  • 1. Applying Data Mining
  • 2. Application of data mining
    Object mining
    Spatial mining
    Text mining
    Web mining
    Multimedia mining
  • 3. Multidimensional Analysis and Descriptive Mining
    An important feature of object-relational and object-oriented databases is their capability of storing, accessing, and modeling complex structure-valued data, such as set- and list-valued data and data with nested structures.
  • 4. Cont..
    A set-valued attribute may be of homogeneous or heterogeneous type. Typically, set-valued data can be generalized by
    Generalization of each value in the set to its corresponding higher-level concept
    Derivation of the general behavior of the set, such as the number of elements in the set , the types or value ranges in the set, the weighted average for numerical data, or the major clusters formed by the set
  • 5. Aggregation and Approximation in Spatial and Multimedia Data Generalization
    Aggregation and approximation are another important means of generalization.
    They are especially useful for generalizing attributes with large sets of values, complex structures, and spatial or multimedia data.
  • 6. Generalization of Object Identifiers and Class/Subclass Hierarchies
    The object identifier is generalized to the identifier of the lowest subclass to which the object belongs.
    The identifier of this subclass can then, in turn, be generalized to a higher level class/subclass identifier by climbing up the class/subclass hierarchy.
    Similarly, a class or a subclass can be generalized to its corresponding super class(es) by climbing up its associated class/subclass hierarchy.
  • 7. Generalization of Class Composition Hierarchies
    Generalization on a class composition hierarchy can be viewed as generalization on a set of nested structured data
  • 8. Generalization-Based Mining of Plan Databases by Divide-and-Conquer
    A plan consists of a variable sequence of actions. A plan database, or simply a planbase, is a large collection of plans. Plan mining is the task of mining significant patterns or knowledge from a planbase.
  • 9. What is a Spatial database?
    A spatial database stores a large amount of space-related data, such as maps, preprocessed remote sensing or medical imaging data, and VLSI chip layout data.
  • 10. What is spatial data mining?
    Spatial data mining refers to the extraction of knowledge, spatial relationships, or other interesting patterns not explicitly stored in spatial databases.
  • 11. What is a Spatial Data ware house?
     A spatial data warehouse is a subject-oriented, integrated, time variant, and nonvolatile collection of both spatial and non spatial data in support of spatial data mining and spatial-data-related decision-making processes.
  • 12. Three types of dimensions in a spatial data cube
    A non-spatial dimension
    A spatial-to-non-spatial dimension
    A spatial-to-spatial dimension
  • 13. How to Mine Spatial Association and Co-location Patterns?
    For mining spatial associations related to the spatial predicate close to, we can first collect the candidates that pass the minimum support threshold by
    Applying certain rough spatial evaluation algorithms, for example, using an MBRstructure
    Evaluating the relaxed spatial predicate, g close to, which is a generalized close tocovering a broader context that includes close to, touch, and intersect.
  • 14. Mining Raster Databases
    Spatial database systems usually handle vector data that consist of points, lines, polygons (regions), and their compositions, such as networks or partitions.
    Typical examples of such data include maps, design graphs, and 3-D representations of the arrangement of the chains of protein molecules.
  • 15. Multimedia Database
    A multimedia database system stores and manages a large collection of multimedia data, such as audio, video, image, graphics, speech, text, document, and hypertext data, which contain text, text markups, and linkages.
  • 16. Multimedia data mining approaches
    Color histogram–based signature
    Multi feature composed signature
    Wavelet-based signature
    Wavelet-based signature with region-based granularity
  • 17. Multidimensional Analysis of Multimedia Data
    Multimedia data cubes can be designed and constructed in a manner similar to that for traditional data cubes from relational data.
    A multimedia data cube can contain additional dimensions and measures for multimediainformation, such as color, texture, and shape.
  • 18. Mining Associations in Multimedia Data
    There are 3 types of associations
    Associations between image content and non image content features:
    Associations among image contents that are not related to spatial relationships
    Associations among image contents related to spatial relationships:
  • 19. Audio and Video Data Mining
    An incommensurable amount of audiovisual information is becoming available in digital form, in digital archives, on the World Wide Web, in broadcast data streams, and in personal and professional databases, and hence a need to mine them.
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